/* Hero Section */
.hero-section {
    padding: 80px 0 120px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    margin-bottom: -80px;
    position: relative;
    z-index: 1;
}

.hero-left h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.hero-left p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.feature-badge {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 8px 16px;
    border-radius: 6px;
    display: inline-block;
    margin-right: 10px;
    margin-bottom: 10px;
    font-size: 0.95rem;
}

/* Tech Badges */
.tech-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 2rem;
}

.tech-badge {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    padding: 8px 16px;
    border-radius: 6px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.tech-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    background: rgba(255, 255, 255, 0.25);
}

.tech-badge.angular {
    border-color: rgba(221, 0, 49, 0.7);
    background: rgba(255, 255, 255, 0.2);
}

.tech-badge.angular:hover {
    background: rgba(221, 0, 49, 0.25);
    border-color: #dd0031;
}

.tech-badge.react {
    border-color: rgba(97, 218, 251, 0.6);
}

.tech-badge.react:hover {
    background: rgba(97, 218, 251, 0.2);
    border-color: #61dafb;
}

.tech-badge.vue {
    border-color: rgba(66, 184, 131, 0.8);
    background: rgba(255, 255, 255, 0.25);
}

.tech-badge.vue:hover {
    background: rgba(66, 184, 131, 0.3);
    border-color: #42b883;
}

.tech-badge.javascript {
    border-color: rgba(247, 223, 30, 0.6);
}

.tech-badge.javascript:hover {
    background: rgba(247, 223, 30, 0.2);
    border-color: #f7df1e;
}

.tech-badge i {
    font-size: 1.2rem;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.3));
}

.tech-icon-angular { 
    color: #ff3850;
    filter: drop-shadow(0 1px 3px rgba(0, 0, 0, 0.4));
    font-weight: 700;
}

.tech-icon-react { 
    color: #61dafb;
}

.tech-icon-vue { 
    color: #42b883;
    font-weight: 700;
}

.tech-icon-js { 
    color: #f7df1e;
}

/* Hero Section CTA Buttons */
.hero-left .mt-4 {
    margin-top: 2rem !important;
    margin-bottom: 3rem;
}

.btn-hero-docs {
    background: white;
    color: #667eea;
    border: 2px solid rgba(255, 255, 255, 0.4);
    padding: 14px 32px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.btn-hero-docs:hover {
    background: rgba(255, 255, 255, 0.95);
    color: #667eea;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    border-color: white;
}

.btn-hero-demo {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    padding: 14px 32px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
}

.btn-hero-demo:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
    color: white;
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-hero-docs i,
.btn-hero-demo i {
    font-size: 1.1rem;
}

/* Code Container */
.code-container {
    background-color: #2d2d30;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    padding: 24px;
    position: relative;
}

.code-content {
    overflow-x: auto;
}

.code-content pre {
    margin: 0;
    padding-top: 40px;
    padding-right: 90px;
    color: #d4d4d4;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 1rem;
    line-height: 1.8;
    white-space: pre;
}

.code-content pre code {
    display: block;
    min-width: max-content;
}

.copy-btn {
    position: absolute;
    top: 16px;
    right: 16px;
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 8px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s;
    z-index: 10;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

.copy-btn:hover {
    background-color: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

.copy-btn.copied {
    background-color: #02c074;
    border-color: #02c074;
}

.keyword { color: #c586c0; }
.string { color: #ce9178; }
.function { color: #dcdcaa; }
.comment { color: #6a9955; }
.property { color: #9cdcfe; }
.operator { color: #d4d4d4; }

/* Features Cards Section */
.features-section {
    padding: 100px 0 60px 0;
    background: #f8f9fa;
    position: relative;
    z-index: 2;
}

.feature-card {
    background: white;
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(0, 0, 0, 0.05);
    height: 100%;
    position: relative;
    overflow: visible;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    transform: scaleX(0);
    transition: transform 0.4s ease;
    border-radius: 16px 16px 0 0;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 32px rgba(102, 126, 234, 0.2);
    border-color: rgba(102, 126, 234, 0.3);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    transition: all 0.4s ease;
    display: inline-block;
}

.feature-card:hover .feature-icon {
    transform: scale(1.15) rotate(5deg);
}

.feature-value {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
    transition: all 0.3s ease;
}

.feature-card:hover .feature-value {
    transform: scale(1.08);
}

.feature-label {
    color: #6b7280;
    font-size: 1.1rem;
    font-weight: 500;
    margin: 0;
    transition: color 0.3s ease;
}

.feature-card:hover .feature-label {
    color: #667eea;
}

.icon-blue { color: #667eea; }
.icon-yellow { color: #f7b731; }
.icon-green { color: #02c074; }
.icon-cyan { color: #00d4ff; }

.feature-card {
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
}

.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }
.feature-card:nth-child(4) { animation-delay: 0.4s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Who Is This For Section */
.who-section {
    padding: 80px 0;
    background: white;
}

.who-section .section-header {
    text-align: center;
    margin-bottom: 60px;
}

.who-section .section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 1rem;
}

.who-section .section-header p {
    font-size: 1.1rem;
    color: #6b7280;
    max-width: 600px;
    margin: 0 auto;
}

.audience-card {
    background: #f8f9fa;
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    height: 100%;
    transition: all 0.4s ease;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.audience-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 0;
}

.audience-card:hover {
    transform: translateY(-10px);
    border-color: #2563eb;
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.3);
}

.audience-card:hover::before {
    opacity: 1;
}

.audience-card > * {
    position: relative;
    z-index: 1;
}

.audience-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s ease;
}

.audience-card:hover .audience-icon {
    background: white;
}

.audience-icon i {
    font-size: 2.5rem;
    color: white;
    transition: color 0.4s ease;
}

.audience-card:hover .audience-icon i {
    color: #2563eb;
}

.audience-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 15px;
    transition: color 0.4s ease;
}

.audience-card:hover h3 {
    color: white;
}

.audience-card p {
    color: #6b7280;
    font-size: 1rem;
    line-height: 1.7;
    margin: 0;
    transition: color 0.4s ease;
}

.audience-card:hover p {
    color: rgba(255, 255, 255, 0.9);
}

.audience-card ul {
    list-style: none;
    padding: 0;
    margin: 20px 0 0 0;
    text-align: left;
}

.audience-card ul li {
    padding: 8px 0;
    color: #4b5563;
    font-size: 0.95rem;
    transition: color 0.4s ease;
}

.audience-card:hover ul li {
    color: rgba(255, 255, 255, 0.85);
}

.audience-card ul li i {
    color: #2563eb;
    margin-right: 10px;
    transition: color 0.4s ease;
}

.audience-card:hover ul li i {
    color: rgba(255, 255, 255, 0.95);
}

/* Frontend Learning Section */
.frontend-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.frontend-section .section-header {
    text-align: center;
    margin-bottom: 60px;
}

.frontend-section .section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 0.5rem;
}

.framework-card {
    background: white;
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    height: 100%;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.framework-card:hover {
    border-color: #667eea;
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(102, 126, 234, 0.15);
}

.framework-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.framework-icon img {
    max-width: 100%;
    height: auto;
}

.framework-icon i {
    font-size: 4rem;
}

.angular-icon { color: #dd0031; }
.react-icon { color: #61dafb; }
.vue-icon { color: #42b883; }

.framework-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 15px;
}

.framework-card p {
    color: #6b7280;
    font-size: 1rem;
    margin: 0;
}

/* Popular APIs Section */
.popular-apis-section {
    padding: 80px 0;
    background: white;
}

.popular-apis-section .section-header {
    text-align: center;
    margin-bottom: 60px;
}

.popular-apis-section .section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1f2937;
}

.api-card-item {
    background: #f8f9fa;
    border-radius: 16px;
    padding: 40px 30px;
    height: 100%;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.api-card-item:hover {
    background: white;
    border-color: #667eea;
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(102, 126, 234, 0.15);
}

.api-card-item h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 15px;
}

.api-card-item p {
    color: #6b7280;
    font-size: 1rem;
    margin: 0;
}

/* Social Proof Banner */
.social-proof-banner {
    background: white;
    padding: 30px 0;
    border-top: 1px solid #e5e7eb;
    border-bottom: 1px solid #e5e7eb;
}

.social-proof-banner p {
    margin: 0;
    font-size: 1.1rem;
    color: #1f2937;
    text-align: center;
    font-weight: 500;
}

.social-proof-banner i {
    color: #02c074;
    margin-right: 8px;
}

/* CTA Section */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: white;
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-section .lead {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-section .btn-light {
    padding: 15px 50px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s;
}

.cta-section .btn-light:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

/* Frontend Learning Section with Technologies */
.frontend-learning-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    position: relative;
    overflow: hidden;
}

.frontend-learning-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(102, 126, 234, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(118, 75, 162, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.frontend-learning-section .section-header {
    margin-bottom: 60px;
    position: relative;
    z-index: 1;
}

.frontend-learning-section .section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 1rem;
}

.frontend-learning-section .section-subtitle {
    font-size: 1.15rem;
    color: #6b7280;
    max-width: 900px;
    margin: 0 auto;
    text-wrap: balance;
    padding: 0 16px;
}

@media (max-width: 768px) {
    .frontend-learning-section .section-subtitle {
        font-size: 1rem;
        max-width: 100%;
    }
}

.tech-category-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #374151;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 3px solid #667eea;
    display: inline-block;
}

.tech-category-title i {
    color: #667eea;
}

/* Technology Framework Cards */
.tech-framework-card {
    background: white;
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    height: 100%;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 2px solid transparent;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.tech-framework-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.tech-framework-card:hover::before {
    transform: scaleX(1);
}

.tech-framework-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.tech-card-icon-wrapper {
    margin: 0 auto 25px;
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    transition: all 0.4s ease;
}

.tech-framework-card:hover .tech-card-icon-wrapper {
    transform: scale(1.1) rotate(5deg);
}

.tech-card-icon-wrapper i {
    font-size: 5rem;
    transition: all 0.3s ease;
}

.tech-card-icon-wrapper svg {
    transition: all 0.3s ease;
}

.tech-framework-card:hover .tech-card-icon-wrapper svg,
.tech-framework-card:hover .tech-card-icon-wrapper i {
    transform: scale(1.05);
}

.tech-card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 15px;
    transition: color 0.3s ease;
}

.tech-card-description {
    color: #6b7280;
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 20px;
    min-height: 50px;
}

.tech-card-footer {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

.tech-badge-small {
    background: #f3f4f6;
    color: #4b5563;
    padding: 5px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.tech-framework-card:hover .tech-badge-small {
    background: #667eea;
    color: white;
}

/* Angular Card */
.angular-card .tech-card-icon-wrapper {
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
}

.angular-card .tech-card-icon-wrapper i {
    color: #dd0031;
}

.angular-card:hover {
    border-color: #dd0031;
}

.angular-card:hover::before {
    background: linear-gradient(90deg, #dd0031 0%, #c30029 100%);
}

.angular-card:hover .tech-card-title {
    color: #dd0031;
}

/* React Card */
.react-card .tech-card-icon-wrapper {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
}

.react-card .tech-card-icon-wrapper i {
    color: #61dafb;
}

.react-card:hover {
    border-color: #61dafb;
}

.react-card:hover::before {
    background: linear-gradient(90deg, #61dafb 0%, #21a1c4 100%);
}

.react-card:hover .tech-card-title {
    color: #21a1c4;
}

/* Vue Card */
.vue-card .tech-card-icon-wrapper {
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
}

.vue-card .tech-card-icon-wrapper i {
    color: #42b883;
}

.vue-card:hover {
    border-color: #42b883;
}

.vue-card:hover::before {
    background: linear-gradient(90deg, #42b883 0%, #35495e 100%);
}

.vue-card:hover .tech-card-title {
    color: #42b883;
}

/* Next.js Card */
.nextjs-card .tech-card-icon-wrapper {
    background: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
}

.nextjs-card:hover {
    border-color: #000000;
}

.nextjs-card:hover::before {
    background: linear-gradient(90deg, #000000 0%, #333333 100%);
}

.nextjs-card:hover .tech-card-title {
    color: #000000;
}

/* React Native Card */
.react-native-card .tech-card-icon-wrapper {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
}

.react-native-card .tech-card-icon-wrapper i {
    color: #61dafb;
}

.react-native-card:hover {
    border-color: #61dafb;
}

.react-native-card:hover::before {
    background: linear-gradient(90deg, #61dafb 0%, #21a1c4 100%);
}

.react-native-card:hover .tech-card-title {
    color: #21a1c4;
}

/* Flutter Card */
.flutter-card .tech-card-icon-wrapper {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
}

.flutter-card:hover {
    border-color: #027DFD;
}

.flutter-card:hover::before {
    background: linear-gradient(90deg, #5AC8FA 0%, #027DFD 100%);
}

.flutter-card:hover .tech-card-title {
    color: #027DFD;
}

/* Ionic Card */
.ionic-card .tech-card-icon-wrapper {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
}

.ionic-card:hover {
    border-color: #4e8ef7;
}

.ionic-card:hover::before {
    background: linear-gradient(90deg, #4e8ef7 0%, #3880ff 100%);
}

.ionic-card:hover .tech-card-title {
    color: #4e8ef7;
}

/* Xamarin Card */
.xamarin-card .tech-card-icon-wrapper {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
}

.xamarin-card:hover {
    border-color: #3498DB;
}

.xamarin-card:hover::before {
    background: linear-gradient(90deg, #3498DB 0%, #2980b9 100%);
}

.xamarin-card:hover .tech-card-title {
    color: #3498DB;
}

/* Responsive Design */
@media (max-width: 992px) {
    .frontend-learning-section .section-header h2 {
        font-size: 2rem;
    }
    
    .tech-category-title {
        font-size: 1.3rem;
    }
}

@media (max-width: 768px) {
    .frontend-learning-section {
        padding: 60px 0;
    }
    
    .frontend-learning-section .section-header h2 {
        font-size: 1.75rem;
    }
    
    .tech-framework-card {
        padding: 30px 20px;
    }
    
    .tech-card-icon-wrapper {
        width: 80px;
        height: 80px;
    }
    
    .tech-card-icon-wrapper i {
        font-size: 4rem;
    }
    
    .tech-card-icon-wrapper svg {
        width: 60px;
        height: 60px;
    }
}

/* Animation for cards on scroll */
@keyframes slideUpFade {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tech-framework-card {
    animation: slideUpFade 0.6s ease forwards;
    opacity: 0;
}

.tech-framework-card:nth-child(1) { animation-delay: 0.1s; }
.tech-framework-card:nth-child(2) { animation-delay: 0.2s; }
.tech-framework-card:nth-child(3) { animation-delay: 0.3s; }
.tech-framework-card:nth-child(4) { animation-delay: 0.4s; }
.tech-framework-card:nth-child(5) { animation-delay: 0.5s; }
.tech-framework-card:nth-child(6) { animation-delay: 0.6s; }
.tech-framework-card:nth-child(7) { animation-delay: 0.7s; }
.tech-framework-card:nth-child(8) { animation-delay: 0.8s; }

.scroll-up-btn {
    position: fixed;
    right: 24px;
    bottom: 24px;
    width: 52px;
    height: 52px;
    border: none;
    border-radius: 50%;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: white;
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: all 0.3s ease;
    z-index: 1100;
}

.scroll-up-btn.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-up-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 30px rgba(37, 99, 235, 0.45);
}

.scroll-up-btn:focus {
    outline: none;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.2);
}

@media (max-width: 768px) {
    .scroll-up-btn {
        right: 16px;
        bottom: 16px;
        width: 48px;
        height: 48px;
    }
}